642242412

Names of 642242412

• Cardinal: 642242412 can be written as Six hundred forty-two million, two hundred forty-two thousand, four hundred twelve.

Scientific notation

• Scientific notation: 6.42242412 × 10⁸

Factors of 642242412

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 942

Divisors of 642242412

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 108 126 147 157 189 196 252 294 314 378 441 471 588 628 756 773 882 942 1099 1323 1413 1546 1764 1884 2198 2319 2646 2826 3092 3297 4239 4396 4638 5292 5411 5652 6594 6957 7693 8478 9276 9891 10822 13188 13914 15386 16233 16956 19782 20871 21644 23079 27828 29673 30772 32466 37877 39564 41742 46158 48699 59346 64932 69237 75754 83484 92316 97398 113631 118692 121361 138474 146097 151508 194796 207711 227262 242722 276948 292194 340893 364083 415422 454524 485444 584388 681786 728166 830844 849527 1022679 1092249 1363572 1456332 1699054 2045358 2184498 2548581 3276747 3398108 4090716 4368996 5097162 5946689 6553494 7645743 10194324 11893378 13106988 15291486 17840067 22937229 23786756 30582972 35680134 45874458 53520201 71360268 91748916 107040402 160560603 214080804 321121206 642242412
• Sum of all divisors σ(n): 1951780320
• Sum of proper divisors (its aliquot sum) s(n): 1309537908
• 642242412 is an abundant number, because the sum of its proper divisors (1309537908) is greater than itself. Its abundance is 667295496

Bases of 642242412

• Binary: 100110010001111101011101101100₂
• Hexadecimal: 0x2647D76C
• Base-36: AMDHF0

Squares and roots of 642242412

• 642242412 squared (642242412²) is 412475315771577744
• 642242412 cubed (642242412³) is 264909141691599731352078528
• The square root of 642242412 is 25342.5020864163
• The cube root of 642242412 is 862.7791882569

Scales and comparisons

• 642,242,412 seconds is equal to 20 years, 21 weeks, 6 days, 8 hours, 40 minutes, 12 seconds.
• To count from 1 to 642,242,412 would take you about thirty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 642242412 cubic inches would be around 71.9 feet tall.

Recreational maths with 642242412

• 642242412 backwards is 214242246
• 642242412 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 642242412's digits is 27
• More coming soon!